1770+ Boy Names Ending in O

  1. Isidoro
    • Origin:

      Spanish; Portuguese; Italian, from Greek
    • Meaning:

      "gift of Isis"
    • Description:

      While Isidore feels bookish and stern, Isidoro has a more romantic sound, with its handsome -o ending.
  2. Viljo
    • Origin:

      Finnish variation of William
    • Description:

      Inventive nickname option, but with built-in pronunciation problems.
  3. Maggio
    • Origin:

      Italian
    • Meaning:

      "May"
    • Description:

      Interesting last-name-first possibility, evoking the springtime month; also a sports-hero connection to baseball great Joe DiMaggio. Could make an interesting way to honor Grandma May or Mary with a boy's name.
  4. Lazarillo
    • Description:

      Lazarillo is an uncommon masculine name with Spanish literary origins, most famously associated with the protagonist of the 1554 Spanish novel "Lazarillo de Tormes," which tells the story of a poor boy who serves various masters. The name is a diminutive form of Lázaro (Spanish for Lazarus), a biblical name referring to the man Jesus raised from the dead. The suffix "-illo" adds a meaning of "little Lazarus," giving it an endearing quality. Extremely rare as a given name, Lazarillo carries connotations of resilience and resourcefulness from its literary association. The name might be chosen by parents with Spanish heritage or a deep appreciation for classical Spanish literature. Its distinctive sound and rhythm make it memorable, though its four syllables and unusual nature might present pronunciation challenges outside Spanish-speaking communities.

  5. Londo
    • Origin:

      Invented name
    • Description:

      Could be an interesting alternative to London, now that that one is firmly on the girl's side.

      Londo Mollari is a character from the TV show Babylon 5.

  6. Lázaro
    • Description:

      Lázaro is the Spanish and Portuguese form of Lazarus, a name with profound biblical roots. The name originates from the Hebrew name Eleazar, meaning "God has helped." In the New Testament, Lazarus is famously known as the man whom Jesus raised from the dead. The name carries themes of renewal, second chances, and divine assistance. Lázaro is especially popular in Spanish-speaking countries, Cuba, and Brazil. The accent over the first 'a' emphasizes that syllable in pronunciation. The name projects strength and resilience while maintaining its historical and religious significance. Many notable figures including writers, athletes, and political figures have borne this distinguished name throughout history.

  7. Jacobo
    • Origin:

      Spanish variation of Jacob
    • Description:

      Charming way to freshen up Jacob.
  8. Brahvo
    • Description:

      Brahvo is an unusual masculine name that appears to be a creative spelling variation of 'Bravo,' which comes from the Latin word 'brabium' meaning 'prize' or 'reward.' As a given name, Brahvo is extremely rare, possibly originating as a modern invented name or derived from the military phonetic alphabet word for the letter 'B.' The distinctive spelling with an 'h' gives it a unique visual character while maintaining the dynamic, energetic sound of the word that's universally associated with excellence and approval. The name conveys positive qualities of accomplishment and courage. While unconventional as a first name, Brahvo might appeal to parents seeking a bold, distinctive option with inherently positive connotations and a contemporary feel.
  9. Francilo
    • Description:

      Francilo is a rare masculine name with possible Latin roots, likely a variation of names derived from 'Francis' or 'Franco,' ultimately meaning 'free one' or 'Frenchman.' This uncommon name appears to have some usage in parts of Latin America and possibly among Portuguese or Spanish-speaking communities. Its melodic quality, with the flowing '-ilo' suffix, gives it a distinctive and musical sound. While not widely documented in naming databases, Francilo exemplifies the creative adaptations of traditional names that occur across different cultures and regions. The name offers a unique alternative to more common Francis derivatives while maintaining a connection to its linguistic origins.
  10. Jacko
    • Description:

      Jacko is a masculine name primarily used as a nickname or diminutive form of Jack or Jackson. With Australian and British origins, it gained particular recognition in Australia, where adding an '-o' suffix to names is a common affectionate practice. The name has a playful, friendly quality that conveys approachability and warmth. While historically used mainly as a nickname, Jacko has occasionally been given as a standalone name, particularly in the late 20th century. The name gained some recognition through figures like Australian wildlife expert Steve Irwin's nickname and musician Michael Jackson's nickname among fans. It maintains a casual, energetic character that feels youthful and vibrant.

  11. Taro
    • Origin:

      Japanese
    • Meaning:

      "great (or eldest) son"
    • Description:

      An energetic Japanese name that would make for an on-trend choice in the English-speaking world. Especially appropriate for a first-born son.
  12. Jeano
    • Description:

      Jeano is an uncommon masculine name that likely developed as a variant of Jean, the French form of John, or as an elaborated form of Gene. The name has a musical quality with its distinctive 'o' ending that adds flair to the traditional base name. Though rare in most English-speaking countries, Jeano has a cosmopolitan feel that combines European sophistication with a playful ending. The name John, from which it ultimately derives, means 'God is gracious.' Jeano might appeal to parents seeking a name with familiar roots but a unique presentation. The unusual spelling and ending make Jeano stand out while still being relatively intuitive to pronounce. It carries a creative, artistic quality that sets it apart from more conventional names.

  13. Cesaro
    • Description:

      Cesaro is a masculine name of Italian origin, representing a variation of Caesar, which means 'long-haired' or 'hairy' in Latin. Historically, the name carries connotations of leadership and authority due to its association with Julius Caesar and the subsequent Roman emperors who adopted the name as a title. Cesaro maintains a strong Italian cultural identity while being relatively uncommon internationally. Professional wrestling fans may recognize it from WWE performer Cesaro (Antonio Cesaro). The name projects strength and classical dignity with its strong vowel endings, typical of Italian naming traditions, while offering a distinctive alternative to more common Caesar derivatives.
  14. Pipo
    • Description:

      Pipo is a charming masculine name with multiple cultural connections. In Spanish-speaking countries, it often serves as a nickname for Felipe (Philip), while in Italian it may be a diminutive for Giuseppe (Joseph). The name has a playful, approachable quality with its repeating 'p' sound and simple two-syllable structure. In Finland, Pipo exists as an everyday word meaning 'beanie' or 'woolly hat.' Though uncommon as a formal given name in most Western countries, Pipo's international versatility and friendly sound make it appealing as both a nickname and given name. Its brevity and easy pronunciation work well across language barriers, giving it global appeal for parents seeking something distinctive yet accessible.
  15. Lourenço
    • Description:

      Lourenço is the Portuguese form of Lawrence, derived from the Latin name Laurentius, meaning "from Laurentum" or "crowned with laurel," symbolizing victory and honor in ancient Rome. Pronounced approximately as "lo-REN-so," the name has been used in Portugal and Brazil for centuries, often associated with Saint Lawrence, a 3rd-century Christian martyr. The name carries a rich cultural heritage and projects strength and dignity. In Portugal, the name experienced traditional popularity, with many notable historical figures bearing it. While maintaining steady usage in Portuguese-speaking countries, Lourenço offers a distinctive international option with its characteristic cedilla (ç), giving English speakers an authentic Portuguese alternative to the more common Lorenzo or Lawrence.
  16. Reino
    • Origin:

      Finnish variation of Reynold
    • Meaning:

      "council power"
    • Description:

      An attractive Finnish name with the potential to cross borders.
  17. Timontheo
    • Description:

      Timontheo is a masculine name that appears to be a unique variation of Timothy, which comes from the Greek 'Timotheos' meaning 'honoring God' or 'honored by God.' This elaborate version incorporates elements that might reflect Greek or Spanish linguistic influences. The name has an exotic, international quality while maintaining connections to the more familiar Timothy. Timontheo is extremely rare, making it an excellent choice for parents wanting an uncommon name with historical roots. Despite its uniqueness, it maintains a melodic, flowing pronunciation. The name carries a sense of distinction and character, potentially appealing to parents looking for something with both traditional underpinnings and modern uniqueness.
  18. Ivano
    • Origin:

      Italian variation of Ivan
    • Meaning:

      "God is gracious"
    • Description:

      Ivano is a name that's a variation of a variation, with Ivan a common Russian and Eastern European version of John. Ivano puts an Italian spin on the name.
  19. Lucho
    • Description:

      Lucho is a warm, friendly masculine name of Spanish origin. It functions primarily as a diminutive of names like Luis (Spanish form of Louis) or Luciano. Popular throughout Latin America, especially in countries like Peru, Colombia, and Chile, Lucho carries a sense of familiarity and affection. The name has strong cultural associations with Spanish-speaking communities and often evokes a sense of closeness and informality. Despite its technical status as a nickname, many people are formally named Lucho on their birth certificates. The name has a strong, masculine sound while remaining approachable and unpretentious. In sporting contexts, particularly soccer, many famous Latin American athletes have been known by this name, adding to its cultural significance and appeal.
  20. Gioachino
    • Description:

      Gioachino is an Italian masculine name, a variant of Joachim, which derives from Hebrew origins meaning 'established by God' or 'God will establish.' This elegant name gained distinction through famous bearers like the renowned Italian composer Gioachino Rossini (1792-1868), creator of operas such as 'The Barber of Seville.' While relatively uncommon outside of Italy, Gioachino carries a sophisticated, musical quality that appeals to parents seeking a distinctive name with historical and cultural significance. The name typically features the pronunciation joh-ah-KEE-noh, with various spelling variations including Gioacchino. Though not among the most common Italian names, it maintains a steady presence particularly in regions with strong Italian heritage.